36539149 has 2 divisors, whose sum is σ = 36539150. Its totient is φ = 36539148.

The previous prime is 36539143. The next prime is 36539177. The reversal of 36539149 is 94193563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34456900 + 2082249 = 5870^2 + 1443^2 .

It is a cyclic number.

It is not a de Polignac number, because 36539149 - 2³ = 36539141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36539141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18269574 + 18269575.

It is an arithmetic number, because the mean of its divisors is an integer number (18269575).

Almost surely, 2^36539149 is an apocalyptic number.

It is an amenable number.

36539149 is a deficient number, since it is larger than the sum of its proper divisors (1).

36539149 is an equidigital number, since it uses as much as digits as its factorization.

36539149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 40.

The square root of 36539149 is about 6044.7621127717. The cubic root of 36539149 is about 331.8329256862.

The spelling of 36539149 in words is "thirty-six million, five hundred thirty-nine thousand, one hundred forty-nine".